/Engine/Source/Runtime/SlateCore/Public/Fonts/CompositeFont.h
Upgrade v2 bulk data to v3 font face.
void ConditionalUpgradeBulkDataToFontFace ( [UObject](API\Runtime\CoreUObject\UObject\UObject) * InOuter, [UClass](API\Runtime\CoreUObject\UObject\UClass) * InFontFaceClass, const [FName](API\Runtime\Core\UObject\FName) InFontFaceName )